Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Can you count the number of triangles in the given picture?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Different lights make me strange by changing me into different sizes. What am I?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

Can you find a five letter word that is left with only two letters if one is removed?

Which word does the below Plexor means ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?